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Finding duplicate values in MySQL
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Very good. I added ORDER BY varchar_column DESC to the end of query.
– trante
May 28 '14 at 20:25
8
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Xcode: What is a target and scheme in plain language?
...ects usually relate to one another
Project - Contains code and resources, etc. (You'll be used to these!)
Target - Each project has one or more targets.
Each target defines a list of build settings for that project
Each target also defines a list of classes, resources, custom scripts etc to incl...
How to SSH to a VirtualBox guest externally through a host? [closed]
..., I just added additional adapter and it worked, didn't need to edit the /etc/network/interfaces, Thanks!
– brokenfoot
Apr 9 '14 at 23:19
3
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Why were pandas merges in python faster than data.table merges in R in 2012?
....table has time series merge in mind. Two aspects to that: i) multi column ordered keys such as (id,datetime) ii) fast prevailing join (roll=TRUE) a.k.a. last observation carried forward.
I'll need some time to confirm as it's the first I've seen of the comparison to data.table as presented.
UPD...
What are the best use cases for Akka framework [closed]
... / HA
Service backend (any industry, any app)
service REST, SOAP, cometd etc
act as message hub / integration layer
scale up, scale out, fault-tolerance / HA
Snap-in concurrency/parallelism ( any app )
Correct
Simple to work with and understand
Just add the jars to your existing JVM project (use...
Java: using switch statement with enum under subclass
...astically -
public enum Button {
REPORT_ISSUES(0),
CANCEL_ORDER(1),
RETURN_ORDER(2);
private int value;
Button(int value) {
this.value = value;
}
public int getValue() {
return value;
}
}
And the switch...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...可以对应一个别名，编号和别名的对应关系在linux下放在/etc/iproute2/rt_tables这个文件里，一般0编号
的table对应的别名为upspec，255编号对应的别名为local，254和253对应的别名分别为main和default，我们通常用route命令配置和查看的路由...
What's the difference between deadlock and livelock?
...k 1
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Both examples force the threads to aquire the locks in different orders.
While the deadlock waits for the other lock,
the livelock does not really wait - it desperately tries to acquire the lock without the chance of gettin
What is the difference between “INNER JOIN” and “OUTER JOIN”?
...great and excellent explanation. but why in column b the values are not in order? i.e it is 6,5 not as 5,6?
– Ameer
Mar 4 '13 at 8:39
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How can you iterate over the elements of an std::tuple?
...he problem: a bug/omission causes the behaviour of fusion to depend on the order of the includes, see Boost ticket #8418 for more details
– sehe
Apr 8 '13 at 13:10
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